26249649963 has 16 divisors (see below), whose sum is σ = 36024191520. Its totient is φ = 16989509376.

The previous prime is 26249649941. The next prime is 26249649983. The reversal of 26249649963 is 36994694262.

It is not a de Polignac number, because 26249649963 - 2¹² = 26249645867 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26249649897 and 26249649906.

It is not an unprimeable number, because it can be changed into a prime (26249649913) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208008 + ... + 309461.

It is an arithmetic number, because the mean of its divisors is an integer number (2251511970).

Almost surely, 2^26249649963 is an apocalyptic number.

26249649963 is a deficient number, since it is larger than the sum of its proper divisors (9774541557).

26249649963 is a wasteful number, since it uses less digits than its factorization.

26249649963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517966.

The product of its digits is 30233088, while the sum is 60.

The spelling of 26249649963 in words is "twenty-six billion, two hundred forty-nine million, six hundred forty-nine thousand, nine hundred sixty-three".